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Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

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Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

MB Quart OA800.4 + Complete 4 AWG Amp Kit

800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier + Amp Kit

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800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier + Amp Kit

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Complete 4 Gauge 4-Channel Amplifier Installation Kit

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Complete 4 Gauge 4-Channel Amplifier Installation Kit

Hifonics ZXi 6408 R/B

680W RMS Zeus ZXi Series 4-Channel Amplifier

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680W RMS Zeus ZXi Series 4-Channel Amplifier

Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

Alpine PSS-21WRA Open Box (Complete)

2015-2017 Jeep Wrangler Unlimited Complete Sound Solution

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2015-2017 Jeep Wrangler Unlimited Complete Sound Solution

• Complete audio upgrade for 2015-2017 Jeep Wrangler Unlimited vehicles
•Includes midwoofers, tweeters, a powered subwoofer and a 4-channel amplifier

• Complete audio upgrade for 2015-2017 Jeep Wrangler Unlimited vehicles
•Includes midwoofers, tweeters, a powered subwoofer and a 4-channel amplifier

Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

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Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

• 125 Watts x 1 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• Total Peak Power: 1000 Watts
• Heavy duty aluminum alloy heat-sink heat-sink for extreme heat dissipation
• Dimensions: 11.4"W x 13.9"L x 4"H

• 125 Watts x 1 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• Total Peak Power: 1000 Watts
• Heavy duty aluminum alloy heat-sink heat-sink for extreme heat dissipation
• Dimensions: 11.4"W x 13.9"L x 4"H

Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

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Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

• 125 Watts x 4 @ 4 ohm
• 250 Watts x 4 @ 2 ohm
• 500 Watts x 2 Bridged @ 4 ohm
• Total Peak Power: 1000 Watts
• Speaker-level (high-level) inputs
• Variable high-pass filter: 120 - 3000 Hz
• Variable low-pass filter: 50 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost

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40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

SOUNDSTREAM AR4.1200 Arachnid 1200 Watt 4-Channel Car Audio Amplifier+Amp Kit

1200W Peak (160W RMS) Arachnid Series Class-A/B 4-Channel 2-Ohm Stable Amplifier Package

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1200W Peak (160W RMS) Arachnid Series Class-A/B 4-Channel 2-Ohm Stable Amplifier Package

• 50 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1,200 Watts
• Bass Boost
• Aluminum Heatsink
• 8.5" W x 15.75" L x 2" H

• 50 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1,200 Watts
• Bass Boost
• Aluminum Heatsink
• 8.5" W x 15.75" L x 2" H

Kicker SX700.4 Factory R/B

SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

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SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

Kicker SX900.4 Factory R/B

SX 4-Channel Amplifier with Digital Sound Processing 04SX900.4

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SX 4-Channel Amplifier with Digital Sound Processing 04SX900.4

4-Channel Amplifier with Digital Signal Processing • 213W RMS x 4 @ 2 ohm • 425W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

4-Channel Amplifier with Digital Signal Processing • 213W RMS x 4 @ 2 ohm • 425W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

JL Audio e4300 Factory Open Box

Factory Refurbished - No warranty

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Factory Refurbished - No warranty

440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

Kicker KEY180.4 (45KEY1804) Key Smart Amplifier Open Box (Complete)

180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

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180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

• 45 Watts RMS x 4 @ 4 ohm
• Automatic Tuning
• CEA-2006 Compliant
• All Tuning Performed with Included Microphone
• Improves Sound at the Touch of a Button
• Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

• 45 Watts RMS x 4 @ 4 ohm
• Automatic Tuning
• CEA-2006 Compliant
• All Tuning Performed with Included Microphone
• Improves Sound at the Touch of a Button
• Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

Crunch PZX4000.4-OPEN BOX

4000W 4-Channel Powerzone Series Class D Car Amplifier

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4000W 4-Channel Powerzone Series Class D Car Amplifier

• RMS Power: 500W x 4 @ 4 ohm, 1000W x 4 @ 2 ohm, 2000W x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 4000W
• Rugged MOSFET Pulse Width Modulation Power Supply

• RMS Power: 500W x 4 @ 4 ohm, 1000W x 4 @ 2 ohm, 2000W x 2 @ 4 ohm Mono Bridged
• Total Peak Power: 4000W
• Rugged MOSFET Pulse Width Modulation Power Supply

Hifonics Brutus BRX616.4 4 Channel Amplifier + Premium 4-ch Amp Wiring Kit

640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

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640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

• RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
• Total Peak Power: 640W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 14.7" L x 2.4" H

• RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
• Total Peak Power: 640W
• Variable High and Low Pass Filters
• Dimensions: 9.8" W x 14.7" L x 2.4" H

Rockford Fosgate PBR300X4 Open Box

300W RMS 4-Channel Class D Punch Boosted Rail Amplifier

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300W RMS 4-Channel Class D Punch Boosted Rail Amplifier

• Punch Series BR Full Range 4-Channel Car Amplifier
• 75W x 4 chan. @ 4 ohm
• Ultra Compact Chassis Design
• Variable DC Offset Sensitivity
• NOMAD Circuitry Protection Technology
• CEA-2006 Compliant

• Punch Series BR Full Range 4-Channel Car Amplifier
• 75W x 4 chan. @ 4 ohm
• Ultra Compact Chassis Design
• Variable DC Offset Sensitivity
• NOMAD Circuitry Protection Technology
• CEA-2006 Compliant

Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

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Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

• 125 Watts Max x 4 @ 4 ohm
• 250 Watts Max x 4 @ 2 ohm
• Bridged: 500 Watts Max x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Variable high-pass filter: 60 - 1200 Hz
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
• Dimensions: 11.4"W x 14.2"L x 3.8"H

• 125 Watts Max x 4 @ 4 ohm
• 250 Watts Max x 4 @ 2 ohm
• Bridged: 500 Watts Max x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Variable high-pass filter: 60 - 1200 Hz
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
• Dimensions: 11.4"W x 14.2"L x 3.8"H

Kicker PXA300.4 (42PXA3004) Open Box

300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

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300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
• Total RMS power output: 200 Watts
•Weather-resistant with a conformal-coated circuit board
•Specifically designed for motorized vehicles
• No-rust, stainless-steel mounting hardware and a single Molex plug

• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
• Total RMS power output: 200 Watts
•Weather-resistant with a conformal-coated circuit board
•Specifically designed for motorized vehicles
• No-rust, stainless-steel mounting hardware and a single Molex plug

Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

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Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

• 325 Watts Peak x 4 @ 4 ohm
• 625 Watts Peak x 4 @ 2 ohm
• 1250 Watts Peak x 2 @ 4 ohm, Bridged
• Total Peak Power: 2500 Watts
• Built-In High and Low Pass Filters
• Heavy Duty Aluminum Heatsink
• Dimensions: 11" W x 10.25" L x 2" H

• 325 Watts Peak x 4 @ 4 ohm
• 625 Watts Peak x 4 @ 2 ohm
• 1250 Watts Peak x 2 @ 4 ohm, Bridged
• Total Peak Power: 2500 Watts
• Built-In High and Low Pass Filters
• Heavy Duty Aluminum Heatsink
• Dimensions: 11" W x 10.25" L x 2" H

NVX XAD42 (Like New (Open Box))

3200W RMS X-Series Full-Bridge Class D 1-Ohm Stable 4-Channel Amplifier

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3200W RMS X-Series Full-Bridge Class D 1-Ohm Stable 4-Channel Amplifier

• 350 watts x 4 channel Watts RMS x 1 @ 4 ohm
• 400 watts x 4 channel Watts RMS x 1 @ 2 ohm
• 800 watts x 4 channel Watts RMS x 1 @ 1 ohm
• Total RMS Power: 3200 watts
• CEA-2006 Compliant

• 350 watts x 4 channel Watts RMS x 1 @ 4 ohm
• 400 watts x 4 channel Watts RMS x 1 @ 2 ohm
• 800 watts x 4 channel Watts RMS x 1 @ 1 ohm
• Total RMS Power: 3200 watts
• CEA-2006 Compliant

DS18 SXE-1200.4/RD (Open Box, Great)

1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range Car Amplifier

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1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier
• Red Brushed Aluminum Body Color

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier
• Red Brushed Aluminum Body Color

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    FAQ Frequently asked questions in Discontinued 4-Channel Amplifiers


    4 Channel Amplifiers Frequently Asked Questions (FAQ)
    A 4-channel amplifier is a type of car audio amplifier that features four separate channels, each capable of powering a speaker or a pair of speakers. By distributing power across four channels, you can connect your front and rear speakers to the amplifier, significantly enhancing the overall sound quality and clarity in your car audio system. With a 4-channel amplifier, you can achieve a balanced soundstage, where the music seems to come from different directions, providing an immersive listening experience. Additionally, these amplifiers often come with adjustable crossovers and gain controls, allowing you to fine-tune the audio output for each set of speakers, optimizing the sound reproduction according to your preferences.
    Yes, many 4-channel amplifiers are bridgeable, allowing you to combine two channels to power a single speaker or subwoofer with higher output power. This bridging capability is useful if you have a pair of high-powered front speakers or a powerful subwoofer that requires more power than a single channel can provide. However, it's essential to check the amplifier's specifications and instructions to confirm its bridgeability and the recommended bridging configurations. Not all 4-channel amplifiers support bridging, and improper bridging can damage the amplifier or connected speakers. If you are unsure about bridging your 4-channel amplifier, consult the amplifier's manual or reach out to Sonic Electronix customer support for expert assistance.
    To select the right 4-channel amplifier for your speakers, consider their power handling capabilities and impedance. First, identify the RMS power rating of your front and rear speakers. The amplifier's RMS power output per channel should match or slightly exceed the RMS power rating of your speakers to ensure optimal performance without distortion. Next, check the impedance (measured in ohms) of your speakers, as well as the amplifier's minimum and maximum impedance ratings. Match the speaker impedance with the appropriate amplifier channels to prevent compatibility issues. For example, if your speakers have an impedance of 4 ohms, make sure the amplifier channels for those speakers can handle a 4-ohm load. Paying attention to these specifications ensures a seamless integration of your speakers with the 4-channel amplifier.
    Yes, a 4-channel amplifier can be used to power additional speakers, such as tweeters or coaxial speakers, in your car audio system. Beyond the front and rear speakers, a 4-channel amplifier has the flexibility to accommodate additional speaker types, provided that the total load impedance and power requirements of the amplifier's channels are within its specifications. For example, if your 4-channel amplifier has two unused channels, you can use them to power additional speakers for improved sound coverage and audio performance. Be cautious not to overload the amplifier, and ensure that the speakers' impedance and power handling align with the available channels to avoid damaging the amplifier or speakers. If you have questions about expanding your audio system with a 4-channel amplifier, seek expert advice from Sonic Electronix.
    A proper and safe installation of a 4-channel amplifier is essential for optimal performance and to prevent any electrical or mechanical issues. To ensure a successful installation, start by reading the amplifier's user manual thoroughly, as it contains specific instructions and guidelines for installation. Follow all safety precautions and use the appropriate wiring and connectors rated for the amplifier's power output. Securely mount the amplifier in a well-ventilated area, away from heat sources, and avoid placing it on carpeted surfaces. Route and secure all cables carefully to avoid interference and potential hazards. Double-check all connections to ensure they are tight and secure. If you are not confident in installing the amplifier yourself, consider seeking professional installation services to ensure a safe and expertly done installation that optimizes the performance of your 4-channel amplifier and car audio system.
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